201018619223 has 2 divisors, whose sum is σ = 201018619224. Its totient is φ = 201018619222.

The previous prime is 201018619183. The next prime is 201018619279. The reversal of 201018619223 is 322916810102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201018619223 - 2⁸ = 201018618967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201018619523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100509309611 + 100509309612.

It is an arithmetic number, because the mean of its divisors is an integer number (100509309612).

Almost surely, 2^201018619223 is an apocalyptic number.

201018619223 is a deficient number, since it is larger than the sum of its proper divisors (1).

201018619223 is an equidigital number, since it uses as much as digits as its factorization.

201018619223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 201018619223 in words is "two hundred one billion, eighteen million, six hundred nineteen thousand, two hundred twenty-three".